5 letter words:
cocks13,
cooks11,
sicko11,
socko11,
cisco9,
cocos9,
4 letter words:
cock12,
cook10,
sick10,
sock10,
coco8,
kois8,
sook8,
coos6,
3 letter words:
ick9,
kis7,
koi7,
kos7,
ski7,
cis5,
coo5,
cos5,
sic5,
2 letter words:
ki6,
is2,
oi2,
os2,
si2,
so2,